<!DOCTYPE html>

<html lang="zh-CN">



<head>

    <meta charset="utf-8">

    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->

    <title>Bootstrap 101 Template</title>

    <!-- Bootstrap -->

    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->

    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->

    <!--[if lt IE 9]>

      <script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script>

      <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>

    <![endif]-->

    <style>

    .demo {

        border: 1px red solid;

        border-radius: 5px;

    }

    </style>

</head>



<body>

    <div class="container">

        <h1>BootStrap框架学习</h1>

        <h2>栅格系统</h2>

        <div class="row">

            <div class="col-xs-6 col-md-8 demo">

                <div class="row">

                    <div class="col-md-3 demo"><img src="https://img.alicdn.com/i2/2/TB12f31JVXXXXcdXpXXSutbFXXX.jpg_100x150q100.jpg" alt=""></div>

                    <div class="col-md-3 demo"><img src="https://img.alicdn.com/i2/2/TB12f31JVXXXXcdXpXXSutbFXXX.jpg_100x150q100.jpg" alt=""></div>

                    <div class="col-md-3 demo"><img src="https://img.alicdn.com/i2/2/TB12f31JVXXXXcdXpXXSutbFXXX.jpg_100x150q100.jpg" alt=""></div>

                    <div class="col-md-3 demo"><img src="https://img.alicdn.com/i2/2/TB12f31JVXXXXcdXpXXSutbFXXX.jpg_100x150q100.jpg" alt=""></div>

                </div>

            </div>

            <div class="col-xs-7 col-md-4 demo "><img src="http://www.pku.edu.cn/images/content/2018-03/20180320121836010126.jpg" class="img-responsive"></div>

        </div>

        <h2>表单</h2>

        <div class="row">

            <div class="col-md-6 col-md-offset-3">

                <form class="form-horizontal login-form">

                    <div class="form-group">

                        <label for="inputEmail3" class="col-sm-2 control-label">姓名</label>

                        <div class="col-sm-10">

                            <input type="email" class="form-control" id="inputEmail3" placeholder="请输入您的姓名">

                        </div>

                    </div>

                    <div class="form-group">

                        <label for="inputPassword3" class="col-sm-2 control-label">Password</label>

                        <div class="col-sm-10">

                            <input type="password" class="form-control" id="inputPassword3" placeholder="Password">

                        </div>

                    </div>

                    <div class="form-group">

                        <div class="col-sm-offset-2 col-sm-10">

                            <div class="checkbox">

                                <label>

                                    <input type="checkbox"> Remember me

                                </label>

                            </div>

                        </div>

                    </div>

                    <div class="form-group">

                        <div class="col-sm-offset-2 col-sm-10">

                            <button type="submit" class="btn btn-default">Sign in</button>

                        </div>

                    </div>

                </form>

            </div>

        </div>

    </div>

    <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->

    <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>

    <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->

    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

</body>

</html>

